x_attrib.c

/* crypto/asn1/x_attrib.c *//* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */#include <stdio.h>#include "cryptlib.h"#include <openssl/objects.h>#include <openssl/asn1t.h>#include <openssl/x509.h>/* X509_ATTRIBUTE: this has the following form: * * typedef struct x509_attributes_st * { * ASN1_OBJECT *object; * int single; * union { * char *ptr; * STACK_OF(ASN1_TYPE) *set; * ASN1_TYPE *single; * } value; * } X509_ATTRIBUTE; * * this needs some extra thought because the CHOICE type is * merged with the main structure and because the value can * be anything at all we *must* try the SET OF first because * the ASN1_ANY type will swallow anything including the whole * SET OF structure. */
ASN1_CHOICE(X509_ATTRIBUTE_SET) = {
ASN1_SET_OF(X509_ATTRIBUTE, value.set, ASN1_ANY),
ASN1_SIMPLE(X509_ATTRIBUTE, value.single, ASN1_ANY)
} ASN1_CHOICE_END_selector(X509_ATTRIBUTE, X509_ATTRIBUTE_SET, single)
ASN1_SEQUENCE(X509_ATTRIBUTE) = {
ASN1_SIMPLE(X509_ATTRIBUTE, object, ASN1_OBJECT),
/* CHOICE type merged with parent */
ASN1_EX_COMBINE(0, 0, X509_ATTRIBUTE_SET)
} ASN1_SEQUENCE_END(X509_ATTRIBUTE)
IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE)
IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE)
X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
{
X509_ATTRIBUTE *ret=NULL;
ASN1_TYPE *val=NULL;
if ((ret=X509_ATTRIBUTE_new()) == NULL)
return(NULL);
ret->object=OBJ_nid2obj(nid);
ret->single=0;
if ((ret->value.set=sk_ASN1_TYPE_new_null()) == NULL) goto err;
if ((val=ASN1_TYPE_new()) == NULL) goto err;
if (!sk_ASN1_TYPE_push(ret->value.set,val)) goto err;
ASN1_TYPE_set(val,atrtype,value);
return(ret);
err:
if (ret != NULL) X509_ATTRIBUTE_free(ret);
if (val != NULL) ASN1_TYPE_free(val);
return(NULL);
}